This reverts commit 60ee70bb.

Reason for revert: wasm-api-tests/WasmCapiTest.Serialize starts flaking: https://crbug.com/v8/10784

Original change's description:
> [wasm] Ensure that only TurboFan code is serialized
> 
> We have the implicit assumption that Liftoff code will never be
> serialized, and we start relying on that when implementing new features
> (debugging, dynamic tiering).
> 
> This CL makes the serializer fail if the module contains any Liftoff
> code. Existing tests are changed to ensure that we fully tiered up
> before serializing a module (similar to the logic in Chromium).
> The "wasm-clone-module" test needs to serialize the module before
> enabling the debugger.
> 
> Note that chrome currently only serializes a module after it fully
> tiered up, so that should be fine. If other embedders need the ability
> to serialize a module in an arbitrary state, we will have to fix this
> later. With this CL we will be on the safe side though and (gracefully)
> fail serialization instead of accidentally serializing Liftoff code.
> 
> R=​ahaas@chromium.org
> 
> Bug: v8:10777
> Change-Id: I1245e5f7fda3447a544c1e3525e1239cde759174
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2336799
> Commit-Queue: Clemens Backes <clemensb@chromium.org>
> Reviewed-by: Andreas Haas <ahaas@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#69276}

TBR=ahaas@chromium.org,clemensb@chromium.org

Change-Id: Ic1349375bd562bb0a2724c39c27ef3247461c97b
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: v8:10777
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2342845Reviewed-by: Leszek Swirski <leszeks@chromium.org>
Commit-Queue: Leszek Swirski <leszeks@chromium.org>
Cr-Commit-Position: refs/heads/master@{#69284}